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Multisig and tiered custody

Lesson 9 of 10
By the end of this lesson you’ll have a tier for every coin you hold, know how to set up a multisig that a thief with one of your devices can’t open, and know the check to make on the device before you confirm any transaction.
A collage of a great deep blue bell hanging still over a gorge from two taut ropes that run to two far-apart crags, a tiny figure on each. A third rope has been cut: a frayed end hangs from the bell, the severed piece falls away, and a third figure stands on a lower crag.

Three tiers

Give each coin one of three homes, the three accounts from lesson 8.

Hot
A separate hot wallet for new sites, on your phone or in your browser, made from its own phrase. It holds only what the next new site needs. Assume it will be emptied one day.
Warm
A hardware account for apps you trust, which signs now and then, for a bridge, a sale, a move. It holds what you’d spend or move this year.
Cold
A vault account on a hardware wallet that never connects to anything, or a multisig whose keys connect only to sign for it, with the backups from lesson 2. It holds the rest, and the rest is most of it.
Three tiers, three accounts

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